144430749 has 8 divisors (see below), whose sum is σ = 213971520. Its totient is φ = 96287148.

The previous prime is 144430733. The next prime is 144430751. The reversal of 144430749 is 947034441.

It is not a de Polignac number, because 144430749 - 2⁴ = 144430733 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144430709) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2674617 + ... + 2674670.

It is an arithmetic number, because the mean of its divisors is an integer number (26746440).

Almost surely, 2^144430749 is an apocalyptic number.

It is an amenable number.

144430749 is a deficient number, since it is larger than the sum of its proper divisors (69540771).

144430749 is an equidigital number, since it uses as much as digits as its factorization.

144430749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5349296 (or 5349290 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The square root of 144430749 is about 12017.9344731114. The cubic root of 144430749 is about 524.6703890219.

The spelling of 144430749 in words is "one hundred forty-four million, four hundred thirty thousand, seven hundred forty-nine".